Summary: ISM PMI down in April, below expectations; US manufacturing sector drops back into contraction; US Treasury yields fall; expectations of Fed rate cuts firm; ISM: reading corresponds to 1.9% US GDP growth annualised. The Institute of Supply Management (ISM) manufacturing Purchasing Managers Index (PMI) reached a cyclical peak in September 2017. It then started a downtrend which ended in March 2020 with a contraction in US manufacturing which lasted...